81429660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 297198720

約数和(自身を除く): 215769060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 23, 26, 30, 34, 36, 39, 45, 46, 51, 52, 60, 65, 68, 69, 78, 85, 89, 90, 92, 102, 115, 117, 130, 138, 153, 156, 170, 178, 180, 195, 204, 207, 221, 230, 234, 255, 260, 267, 276, 299, 306, 340, 345, 356, 390, 391, 414, 442, 445, 460, 468, 510, 534, 585, 598, 612, 663, 690, 765, 780, 782, 801, 828, 884, 890, 897, 1020, 1035, 1068, 1105, 1157, 1170, 1173, 1196, 1326, 1335, 1380, 1495, 1513, 1530, 1564, 1602, 1780, 1794, 1955, 1989, 2047, 2070, 2210, 2314, 2340, 2346, 2652, 2670, 2691, 2990, 3026, 3060, 3204, 3315, 3471, 3519, 3588, 3910, 3978, 4005, 4094, 4140, 4420, 4485, 4539, 4628, 4692, 5083, 5340, 5382, 5785, 5865, 5980, 6052, 6141, 6630, 6942, 7038, 7565, 7820, 7956, 8010, 8188, 8970, 9078, 9945, 10166, 10235, 10413, 10764, 11570, 11730, 12282, 13260, 13455, 13617, 13884, 14076, 15130, 15249, 16020, 17355, 17595, 17940, 18156, 18423, 19669, 19890, 20332, 20470, 20826, 22695, 23140, 23460, 24564, 25415, 26611, 26910, 27234, 30260, 30498, 30705, 34710, 34799, 35190, 36846, 39338, 39780, 40940, 41652, 45390, 45747, 50830, 52065, 53222, 53820, 54468, 59007, 60996, 61410, 68085, 69420, 69598, 70380, 73692, 76245, 78676, 79833, 90780, 91494, 92115, 98345, 101660, 104130, 104397, 106444, 118014, 122820, 133055, 136170, 139196, 152490, 159666, 173995, 177021, 182988, 184230, 196690, 208260, 208794, 228735, 236028, 239499, 266110, 272340, 295035, 304980, 313191, 319332, 347990, 354042, 368460, 393380, 399165, 417588, 452387, 457470, 478998, 521985, 532220, 590070, 626382, 695980, 708084, 798330, 885105, 904774, 914940, 957996, 1043970, 1180140, 1197495, 1252764, 1357161, 1565955, 1596660, 1770210, 1809548, 2087940, 2261935, 2394990, 2714322, 3131910, 3540420, 4071483, 4523870, 4789980, 5428644, 6263820, 6785805, 8142966, 9047740, 13571610, 16285932, 20357415, 27143220, 40714830, 81429660]

約数ペア:

[(1, 81429660), (2, 40714830), (3, 27143220), (4, 20357415), (5, 16285932), (6, 13571610), (9, 9047740), (10, 8142966), (12, 6785805), (13, 6263820), (15, 5428644), (17, 4789980), (18, 4523870), (20, 4071483), (23, 3540420), (26, 3131910), (30, 2714322), (34, 2394990), (36, 2261935), (39, 2087940), (45, 1809548), (46, 1770210), (51, 1596660), (52, 1565955), (60, 1357161), (65, 1252764), (68, 1197495), (69, 1180140), (78, 1043970), (85, 957996), (89, 914940), (90, 904774), (92, 885105), (102, 798330), (115, 708084), (117, 695980), (130, 626382), (138, 590070), (153, 532220), (156, 521985), (170, 478998), (178, 457470), (180, 452387), (195, 417588), (204, 399165), (207, 393380), (221, 368460), (230, 354042), (234, 347990), (255, 319332), (260, 313191), (267, 304980), (276, 295035), (299, 272340), (306, 266110), (340, 239499), (345, 236028), (356, 228735), (390, 208794), (391, 208260), (414, 196690), (442, 184230), (445, 182988), (460, 177021), (468, 173995), (510, 159666), (534, 152490), (585, 139196), (598, 136170), (612, 133055), (663, 122820), (690, 118014), (765, 106444), (780, 104397), (782, 104130), (801, 101660), (828, 98345), (884, 92115), (890, 91494), (897, 90780), (1020, 79833), (1035, 78676), (1068, 76245), (1105, 73692), (1157, 70380), (1170, 69598), (1173, 69420), (1196, 68085), (1326, 61410), (1335, 60996), (1380, 59007), (1495, 54468), (1513, 53820), (1530, 53222), (1564, 52065), (1602, 50830), (1780, 45747), (1794, 45390), (1955, 41652), (1989, 40940), (2047, 39780), (2070, 39338), (2210, 36846), (2314, 35190), (2340, 34799), (2346, 34710), (2652, 30705), (2670, 30498), (2691, 30260), (2990, 27234), (3026, 26910), (3060, 26611), (3204, 25415), (3315, 24564), (3471, 23460), (3519, 23140), (3588, 22695), (3910, 20826), (3978, 20470), (4005, 20332), (4094, 19890), (4140, 19669), (4420, 18423), (4485, 18156), (4539, 17940), (4628, 17595), (4692, 17355), (5083, 16020), (5340, 15249), (5382, 15130), (5785, 14076), (5865, 13884), (5980, 13617), (6052, 13455), (6141, 13260), (6630, 12282), (6942, 11730), (7038, 11570), (7565, 10764), (7820, 10413), (7956, 10235), (8010, 10166), (8188, 9945), (8970, 9078)]